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Question: PCMCIA Configuration on ThinkPad 760XD with docking station 

Forum: PCMCIA Installation and Configuration Issues
Date: 1999, Dec 07
From: Adam Czezowski adas 

Hi:

 I just went through lottery type game with the range of the
 addresses aceptable in /etc/pcmcia/config.opts in order 
 to make my pcmcia card to be recognised.

 I have ThinkPad 760XD and a SelectaDock I which offers SCSI.
 Both laptop has two PCMCIA slots and the docking station 
 has two slots.

 I run Linux 6.0 with the kernel version 2.2.5-15 and the
 card manager 3.09 .

 With the default config.opts, and computer undocked I had
 no problems.

 /etc/pcmcia/config.opts 
 #
 # Local PCMCIA Configuration File
 #
 # System resources available for PCMCIA devices
 #
 include port 0x100-0x4ff, port 0x1000-0x17ff
 include memory 0xc0000-0xfffff, memory 0xa0000000-0xa0ffffff
 #

 With the docked laptop during boot process after pcmcia 
 was initilised computer hanged. I have figured out that the 
 problem is with the memory ranges. 

 After many guess work,the workable memory range in the 
 config.opts is (include memory 0xc000-0xcffff) but when I 
 load pcmcia by /etc/rc.d/init.d/pcmcia start I get 
 cs: warning: no high memory space available.

 Is there any way to get rid of the guess work and being
 able to use some tool which will show the memory ranges   available or what is used by which device? I still don't
 know with which device in the docking station the conflict
 was!

 Why I am warned of lack of high memory if everything is    working now? If it is needed then why?

 My frustration with setting up the cards went for few days.
 I was using different address range in high memory since
 I thought it is neccesary to use them. The solution was 
 much simpler though.

 Is there any procedure to deal with such cases.

 Cheers

 Adam Czezowski

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1. It is not a simple problem by David Hinds, 1999, Dec 07

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